EP1728883A4 - HIGH RESISTANCE BOLT WITH EXCELLENT CHARACTERISTICS FOR DIFFERENT FRACTURE RESISTANCE AND RELEASE RESISTANCE - Google Patents
HIGH RESISTANCE BOLT WITH EXCELLENT CHARACTERISTICS FOR DIFFERENT FRACTURE RESISTANCE AND RELEASE RESISTANCEInfo
- Publication number
- EP1728883A4 EP1728883A4 EP05719710A EP05719710A EP1728883A4 EP 1728883 A4 EP1728883 A4 EP 1728883A4 EP 05719710 A EP05719710 A EP 05719710A EP 05719710 A EP05719710 A EP 05719710A EP 1728883 A4 EP1728883 A4 EP 1728883A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- resistance
- relaxation
- high strength
- strength bolt
- delayed fracture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000003111 delayed effect Effects 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004057379 | 2004-03-02 | ||
PCT/JP2005/003393 WO2005083141A1 (ja) | 2004-03-02 | 2005-03-01 | 耐遅れ破壊特性及び耐リラクセーション特性に優れた高強度ボルト |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1728883A1 EP1728883A1 (en) | 2006-12-06 |
EP1728883A4 true EP1728883A4 (en) | 2009-12-16 |
Family
ID=34909027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05719710A Withdrawn EP1728883A4 (en) | 2004-03-02 | 2005-03-01 | HIGH RESISTANCE BOLT WITH EXCELLENT CHARACTERISTICS FOR DIFFERENT FRACTURE RESISTANCE AND RELEASE RESISTANCE |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070187003A1 (ja) |
EP (1) | EP1728883A4 (ja) |
WO (1) | WO2005083141A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8470762B2 (en) * | 2007-05-31 | 2013-06-25 | Colgate-Palmolive Company | Fabric softening compositions comprising polymeric materials |
DE102008041391A1 (de) | 2008-08-20 | 2010-01-14 | Kamax-Werke Rudolf Kellermann Gmbh & Co. Kg | Hochfeste Schraube mit Bainitgefüge |
JP5334769B2 (ja) * | 2009-09-10 | 2013-11-06 | 独立行政法人物質・材料研究機構 | 高強度ボルト |
JP5521885B2 (ja) | 2010-08-17 | 2014-06-18 | 新日鐵住金株式会社 | 高強度かつ耐水素脆化特性に優れた機械部品用鋼線、および機械部品とその製造方法 |
DE102011054840A1 (de) | 2011-10-26 | 2013-05-02 | Rud Ketten Rieger & Dietz Gmbh U. Co. Kg | Härtbarer Stahl für Hebe-, Anschlag-, Spann- und/oder Zurrmittel der Güteklasse 8 und darüber, Bauelement der Hebe-, Anschlag-, Spann- und/oder Zurrtechnik sowie Verfahren zur Herstellung eines solchen Bauelements |
DE102011055497A1 (de) | 2011-11-18 | 2013-05-23 | Kamax Holding Gmbh & Co. Kg | Ultrahochfeste Schraube mit hohem Streckgrenzverhältnis |
JP5357994B2 (ja) * | 2011-12-19 | 2013-12-04 | 株式会社神戸製鋼所 | 冷間加工用機械構造用鋼およびその製造方法 |
EP2628807A1 (de) | 2012-02-14 | 2013-08-21 | Swiss Steel AG | Vergütetes stiftartiges Verbindungselement und Verfahren zu dessen Herstellung |
JP5802162B2 (ja) * | 2012-03-29 | 2015-10-28 | 株式会社神戸製鋼所 | 線材及びこれを用いた鋼線 |
CN102909529A (zh) * | 2012-10-09 | 2013-02-06 | 镇江中虎弹簧有限公司 | 轴承螺栓制造工艺 |
CN103089781B (zh) * | 2012-12-04 | 2015-07-15 | 安徽六方重联机械股份有限公司 | 高强度双头螺栓加工方法 |
CN103527599B (zh) * | 2013-10-12 | 2015-12-23 | 常熟南师大发展研究院有限公司 | 强化螺栓 |
US10287660B2 (en) | 2014-10-20 | 2019-05-14 | Nippon Steel & Sumitomo Metal Corporation | Steel wire rod for bearings having excellent drawability and coil formability after drawing |
KR20170110773A (ko) * | 2016-03-23 | 2017-10-12 | 주식회사 포스코 | 냉간압조용 고탄소강 선재, 이를 이용한 가공품 및 이들의 제조방법 |
ES2926991T3 (es) * | 2017-08-09 | 2022-10-31 | Medi Gmbh & Co Kg | Un poliuretano con comportamiento de relajación retardado para productos de compresión |
CN112359288A (zh) * | 2020-11-16 | 2021-02-12 | 广东理标信息科技有限公司 | 一种强磁螺栓生产工艺 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020179207A1 (en) * | 2000-04-07 | 2002-12-05 | Seiichi Koike | Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3677829A (en) * | 1970-09-18 | 1972-07-18 | David Stefanye | Process for the bluing of steel surfaces |
JPS59226116A (ja) * | 1983-01-31 | 1984-12-19 | High Frequency Heattreat Co Ltd | 耐遅れ破壊特性を有する高張力ボルトおよびその製造方法 |
JPH11315349A (ja) * | 1998-04-30 | 1999-11-16 | Kobe Steel Ltd | 耐遅れ破壊性に優れた高強度線材およびその製造方法並びに高強度ボルト |
JP2000337333A (ja) * | 2000-01-01 | 2000-12-05 | Kobe Steel Ltd | 耐遅れ破壊性に優れた高強度ボルト |
-
2005
- 2005-03-01 US US10/591,475 patent/US20070187003A1/en not_active Abandoned
- 2005-03-01 WO PCT/JP2005/003393 patent/WO2005083141A1/ja active Application Filing
- 2005-03-01 EP EP05719710A patent/EP1728883A4/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020179207A1 (en) * | 2000-04-07 | 2002-12-05 | Seiichi Koike | Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation |
Non-Patent Citations (2)
Title |
---|
No further relevant documents disclosed * |
See also references of WO2005083141A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20070187003A1 (en) | 2007-08-16 |
WO2005083141A1 (ja) | 2005-09-09 |
EP1728883A1 (en) | 2006-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20060920 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE GB |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): DE GB |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20091116 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C22C 38/00 20060101AFI20050913BHEP Ipc: C22C 38/06 20060101ALI20091110BHEP Ipc: C22C 38/58 20060101ALI20091110BHEP Ipc: F16B 35/00 20060101ALI20091110BHEP Ipc: C21D 9/00 20060101ALI20091110BHEP |
|
17Q | First examination report despatched |
Effective date: 20101217 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20160219 |